CO2(g)+CaSiO3(s)+H2O(l)→SiO2(s)+Ca(HCO3)2(aq) Balance using smallest multiples

Answer 1

2 CO2 + CaSiO3 + H2O = SiO2 + Ca(HCO3)2

Answer 2

The answer is not good

Answer 3

I believe that is incorrect!