CuSO4 + NaCO3 → CuCO3 + NaSO4
This is an oxidation-reduction (redox) reaction:
SVI - 1 e- → SVII (oxidation)
CV + e- → CIV (reduction)
CuSO4 is a reducing agent, NaCO3 is an oxidizing agent.
Warning: Unknown compound 'NaCO3'. Did you mean NaCo3?
Warning: Unknown compound 'NaSO4'