The chemical equation for the reaction would be:
2CO2 + CaCO3 + CO3 + MgCO3 + MgCl2 -> CaCl2 + 2MgO + 4CO2
The chemical equation for the reaction would be:
2CO2 + CaCO3 + CO3 + MgCO3 + MgCl2 -> CaCl2 + 2MgO + 4CO2