Answer:
(Fatwa: 1165/1165/M=1431)
A woman (wife) should not demand for talaq with no valid reason. It is sin. It is mentioned in hadith that such woman will not get the fragrance of Jannah. Follow the right and appropriate measures whatsoever may be to maintain nikah. If your wife has any reasonable complaint that is in line with Shariah, remove the same and get it solved by mutual understanding.
Allah (Subhana Wa Ta’ala) knows Best
Darul Ifta,
Darul Uloom Deoband
