what is the net ionic equation
2 H^+ + SO4^2- + Ca^2+ + 2 i^- = CaSo4 + 2H^+ +2i ^-
cancel the spectator ion that is the ions which does not take place nin the reaction
for this case is 2 H^+ and 2 i^-
the net ionic equation is therefore
=Ca^2+ + SO4^2- = CaSO4
