Anelka, 34, has yet to score for the Baggies since joining the club on a free transfer in the summer.
With Victor Anichebe, Saido Berahino, Stephane Sessegnon, Matej Vydra, Shane Long and Markus Rosenberg are all vying for a selection, Anelka faces a fight for a starting spot.
However, Clarke is certain the Frenchamn will find his touch in front of goal.
"Good strikers will keep getting in good positions and if they keep getting in good positions, the goals will come," said Clarke, speaking ahead of Saturday's Premier League trip to Stoke.
"That's got to be the mantra for any striker. They have got to keep getting into good positions.
"Victor is back from injury and ready to go and yes, it gives me a problem.
"Victor's back, Saido's playing well, there's Nicolas, Matej Vydra is available, Markus Rosenberg is there, I've got loads of options up front. It's a good problem to have."
Prior to the international break, Clarke's side had gone on a run of four games without defeat, following an indifferent start to the season.
And the manager admitted the interruption was not ideal for his side.
"We were on a good run but the fixture schedule is there and you know when the international breaks are coming in," he added.
"Our job is to make sure we don't lose the momentum over the break. We'll get the full group together and get ourselves ready and prepared for a difficult game at Stoke and hopefully we can pick up that momentum really quickly."