The compound with a chemical formula of (CH₃CH₂)₂NH has a chemical name of diethylamine. By definition, a Bronsted-Lowry base is a proton acceptor. That means that it gives away a proton, which gives it a positive charge. The reaction of the base with water is:
(CH₃CH₂)₂NH + H₂O → (CH₃CH₂)₂NH₂⁺ + OH⁻