Pep Guardiola and Arteta are both experienced manager that no how to handle each team that comes their way, arsenal and Manchester city are among the toughest team in premier league that are competing for the title, talking their match together, arsenal have won against them this season and Manchester city will like to put hold to that to stop arsenal from doing it home and away. Nothing can be say let see what will happen when the day come.
Arsenal will still have hard fixtures to come soon. Expect this club to miss some points are still possible these days. 
This picture totally enough to explain how hard the upcoming fixtures of arsenal.
Almost all of big clubs are gonna face arsenal. Don't be surprised if arsenal can reach this position consider this club has not yet got its hard fixtures.
Playing against so many big teams in a row. The mentality of arsenal will be totally tested here.
Chelsea
Totenham
City
Manchester united