Nketiah put Arsenal in the lead but the Hammers equalised, with Kwame Ampadu’s team having to settle for a point for the second week in succession.
Ampadu named the same team as in the previous game, with Vlad Dragomir, Donyell Malen and Josh DaSilva all featuring.
Next up for the young Gunners is a home game against Swansea City on November 19th.
Arsenal: Virginia; Osei-Tutu, Olowu, Pileas, T. Bola; McGuane, DaSilva; Tella, Dragomir, Malen; Nketiah.
Subs: Okonkwo, Burton, Coyle, Ballard.