Copper and Nickel form a solid solution for all compositions…

Copper and Nickel form a solid solution for all compositions. The tensile strength of Ni is 350 MPa and that of Cu is 225 MPa. Would you expect the tensile strength of Ni to increase, decrease, or stay the same after the addition of a small amount of Cu e.g. 95wt% Ni- 5wt% Cu alloy.