Question

Name two element that you would expect to show chemical reaction similar to calcium

Answer 1

ACCORDING TO ME, Magnesium and Beryllium because they have same valency and lie in same group of periodic table. They have same properties and are Alkaline Earth Metals. Probably magnesium the most
because chemical reactivity nearly same.

hope this help you

Answer 2

beryllium and magnesium cause they are placed in same group and therefore have same number of valance electrons and chemical property