Ey Evani, I've got a few questions relating to this strategy. The first being - How are clones going to be confusing Itachi? To a man who can easily take in Kisame's top speed and react to it, he shouldn't be distracted or unable to recall the original's position. Based off of physical capabilities alone, Itachi should know who is and who isn't a clone, considering the strength of the Mizu Bunshin's are a tenth of the original.
Which also brings me to my next point, Itachi will immediately recognize Kisame from the crowd, based on the fact that he'll have chakra that dwarfs the clones, and Itachi's sharingan can see quantity of chakra [
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]. At the end of the day, the Kisame using large scale suiton is the target, unless this is a ploy to just fuse. Which would be sorta meaningless, as he could just fuse and still get the same end result.