In which reaction does \({{\text{H}}_{\text{2}}}{\text{O}}\) act as a Lewis base but not as a Brønsted–Lowry base.

A.     \({{\text{H}}_2}{\text{O}} + {\text{NH}}_4^ +  \to {{\text{H}}_3}{{\text{O}}^ + } + {\text{N}}{{\text{H}}_3}\)

B.     \({{\text{H}}_2}{\text{O}} + {\text{CaO}} \to {\text{C}}{{\text{a}}^{{\text{2}} + }} + {\text{2O}}{{\text{H}}^ - }\)

C.     \({{\text{H}}_2}{\text{O}} + {{\text{[Fe(}}{{\text{H}}_2}{\text{O}}{{\text{)}}_6}{\text{]}}^{{\text{3}} + }} \to {\text{Fe[(OH)(}}{{\text{H}}_2}{\text{O}}{{\text{)}}_5}{{\text{]}}^{{\text{2}} + }} + {{\text{H}}_3}{{\text{O}}^ + }\)

D.     \({\text{6}}{{\text{H}}_2}{\text{O}} + {{\text{[Ni(N}}{{\text{H}}_3}{{\text{)}}_6}{\text{]}}^{2 + }} \to {\text{6N}}{{\text{H}}_3} + {{\text{[Ni(}}{{\text{H}}_2}{\text{O}}{{\text{)}}_6}{\text{]}}^{2 + }}\)

D