Write a Balanced Chemical Equation for the Reaction of Lime $\ell$

Write a balanced chemical equation for the reaction of lime and water to form slaked lime.

A) CaO(s) + 2 H₂O( $\ell$ ) ? CaCO₃(s) + 2 H₂(g)
B) CaO(s) + H₂O( $\ell$ ) ? Ca(OH) ₂(s)
C) Ca₃(PO₄) ₂(s) + 2 H₂O( $\ell$ ) ? 2 CaHPO₄(aq) + Ca(OH) ₂(aq)
D) CaCO₃(s) + H₂O( $\ell$ ) ? Ca(s) + H₃O⁺(aq) + CO₂(g)
E) CaCO₃(s) + H₂O( $\ell$ ) ? CaO(s) + H₂CO₃(aq)