What is the product of dissociation reaction of Tris Buffer in water ((HOCH2)3CNH2 + H2O)?

[olvrramos]

Here is a website about Tris (2-Amino-2-hydroxymethyl-propane-1,3-diol | C4H11NO3 - PubChem). It mentions that Tris is soluble in water. I want to know what are the resulting product when Tris is dissolved in water. Thank you.