Question

calcium floats in water during the reaction with water give scientific reason

Answer 1

⛦Hᴇʀᴇ Is Yoᴜʀ Aɴsᴡᴇʀ⚑
▬▬▬▬▬▬▬▬▬▬▬▬☟

Calcium floats in water during the reaction with water because the bubbles of hydrogen gas  gas which are formed during the reaction stick to the surface of the metal and hence calcium float on water.

_________
Thanks...✊