Initially, you have 1.00g of BaCl2 (mm= 208.23) and 1.00g of AgNo3 (MM=169.88). How many moles of AgNO3 do you have initially in the mixture?
similar as I how I showed you, but with AgNO3:
http://www.jiskha.com/display.cgi?id=1301007361
http://www.jiskha.com/display.cgi?id=1301007361