ɪt ɹɪˈækts wɪð ˈælkəlˌaɪ mˈɛɾəl ˈɑːksaɪdz æt hˈaɪ tˈɛmpɹɪtʃɚ tə fˈɔːɹm, ˈiː.dʒˈiː., nˈɑː ɡˈɑː ˈoʊ tˈuː, ænd wɪð ˌɛmdʒˈiː, zˌiːˈɛn, kˈoʊ, nˈaɪ, kˈuː ˈɑːksaɪdz tə fˈɔːɹm spˈɪnəlz, ˈiː.dʒˈiː., ˌɛmdʒˈiː ɡˈɑː tˈuː ˈoʊ fˈoːɹ.
It reacts with alkali metal oxides at high temperature to form, e.g., NaGaO2, and with Mg, Zn, Co, Ni, Cu oxides to form spinels, e.g., MgGa2O4.