Question

Why bleaching powder forms a milky solution in water

Answer 1

Because it should be some moisture thing for moisturising to our skin

Answer 2

As a mixture with lime and calcium chloride, it is marketed as chlorine powder or bleach powder for water treatment and as a bleaching agent. ... It strongly smells of chlorine, owing to its slow decomposition in moist air. It is not highly soluble in water and is more preferably used in soft to medium-hard water