When mercury placed in fifth house of horoscope it gives good results to native. He/she gets respect in society and love music. The person is hard working, always happy and a gentleman. The lord of any house gives bad results in twelfth house, as twelfth house is vyay bhava, But the lord of fifth house in vyay bhav gives good results for education, as fifth house belongs to education but not good for children as fifth house also for children.
When mercury placed in Taurus, Cancer, Virgi, Scorpio or Capricon signs in fifth house, hot headed and leave education incomplete while hating education. The person not liberal to anyone and he is a quarrelsome person. These kind person always children problem as his/her has worthless children.
When Mercury in Cancer, Scorpio or Pisces, the person will more female child and less male child that too worthless. The person’s livelihood may be through Palmistry, writing or typing but he is high level selfish person.
When mercury is in Aries, Leo or Sagittarius sign in fifth house, the person is very angry, only bad thing in person is angriness otherwise he is a sociable, justice person and do every talk after thinking. The person gets success in mathematics, accountancy and astrology.
When Mercury placed in Gemini, Libra or Aquarius sign in fifth house, the person may be childless. If there is child due to spouse destiny, that may be week and ill. The person is a high lever writer, he gets name and fem in writing and his/her livelihood may be through medical or philology.
Note: there may be some difference in results due to other planets conjunctions and aspects according to vedic astrology.
Astrologer Sunil Kumar