The effect of the Cu/Ni ratio on CO2 hydrogenation at 773 K and 873 K was studied by XRD, TPR, H-2 and CO2- TPD. There exists strong interaction between Cu and Ni components. At high temperature (773 K and 873 K), the products are CO, CH4 and H2O without CH3OH formation. The Cu/Ni ratio has a significant effect on the conversion and selectivity. Cu favors CO formation while Ni is of benefit in CH4 formation.