Question

give a balanced equation for addition of iron to copper [2] sulphate solution.

Answer 1

Fe2CuSO4
hope it is what u need

Answer 2

Fe + CuSO4 = FeSO4 + Cu
where , Copper Sulphate is blue in colour 
             iron of grey color
             Iron sulphate in green colour
             and copper which is reddish brown in colour