I think it is H2SiO4 not H4SiO4, since it exceeds itsvalancy Balanced MolecularEquation is : CuCl2 +H2SiO4 ---> CuSiO4 (s) +2HCl Total ionic Equation is : Cu2+ +2 Cl - + 2H+ +SO42- ---> CuSiO4 +2H+ + 2Cl- Spectator ions are : Cl - &H+ Spectator ions are : Cl - &H+ Net ionic Equation is : Cu2+ + SO42- --->CuSiO4 Solution I think it is H2SiO4 not H4SiO4, since it exceeds itsvalancy Balanced MolecularEquation is : CuCl2 +H2SiO4 ---> CuSiO4 (s) +2HCl Total ionic Equation is : Cu2+ +2 Cl - + 2H+ +SO42- ---> CuSiO4 +2H+ + 2Cl- Spectator ions are : Cl - &H+ Spectator ions are : Cl - &H+ Net ionic Equation is : Cu2+ + SO42- --->CuSiO4.