Question

Rama wanted her house to be it was she brought some quick line for the market and dissolve in the water in a bucket she noticed that the container became hot without any heating give reason for your observation with equation and name the product formed what happen when net is applied on the walls

Answer 1

When quicklime is added to water then slaked thine is produced.
This is an exothermic reaction.
CaO +H2O---->Ca(OH)2
This is used for white washing.