What compound is formed when $\mathrm{Cl}_{2}$ is passed in slaked lime at 40°C ?

$\mathrm{Ca}(\mathrm{OCl}) \mathrm{Cl}$

$\mathrm{CaCl}_{2}$

$\mathrm{Ca}(\mathrm{OCl})_{2}$

$\mathrm{CaO}$