Treatment of Ni(OAc)2⋅4H2O with 8-hydroxylquinoline-imine ligands [2-(ArN=HC)-8-OH]C9H5N (Ar = 2,6- iPr2C6H3, L1H; Ar = 2,4,6-(Me)3C6H2, L2H; Ar = 4-MeC6H4, L3H and Ar = 4-ClC6H4, L4H) in refluxing EtOH afforded the dual-ligand coordinated nickel complexes [L2Ni] 1-4, respectively. All the four nickel complexes were characterized by IR, elemental analysis and high-resolution mass spectrometry. Furthermore, the molecular structures of complexes 3 and 4 were confirmed by X-ray diffraction analysis. Complexes 1-4 were found to be efficient catalysts for hydrosilylation of aldehydes and ketones with PhSiH3 as the hydrogen source. Various aromatic and aliphatic ketones and aldehydes were proven to be suitable substrates for such catalytic property, affording the corresponding alcohols in good to excellent yields.