Question 47: Once after breaking my fast in Ramadaan, I beat my son. When my wife asked me who did it, I lied to her and said someone else’s name. So she said to me, “By Allaah! You are a Jew or a Christian.” Then I said to her, “By Allaah! It is you who are a Jew or a Christian.” Since that moment, I have not spoken to her. I need your advice, may Allaah reward you and a blessed month to you.
Answer: You and your wife must perform Tawbah (repentance to Allaah) and ask Him for forgiveness. You should also forgive one another... read more here.