My wife cheated on me and im trying to fight for the house but the house is on her name cause when we got it I ddnt have papers.

Lawyers.com offers general information and not legal advice.  You are asking for legal advice, which cannot be provided without additional information.    There are rules governing the disposition of property and you must have a clear understanding of those rules to know and protect your rights.  You need to meet with an experienced family lawyer in your area to discuss all relevant facts in your case regarding the division of marital property in the Commonwealth of Virginia. Please note that most lawyers charge by the hour, therefore, you need to discuss payment arrangements before setting up a meeting to avoid any misunderstandings.  Best of luck~